in the family

(all) in the family

restricted to one's own family, as with private or embarrassing information. Don't tell anyone else. Please keep it all in the family. He only told his brother because he wanted it to remain in the family.
See also: family
References in periodicals archive ?
According to Lorraine Barrett, Netaphor's vice president of product development, "Netaphor is elated to include, in the family of network devices managed by MetaConsole snap-ins, devices from Matsushita.